JavaScript Check if Cookies are Enabled

check-if-cookies-are-enabled.js

function are_cookies_enabled(){
  var cookieEnabled = (navigator.cookieEnabled) ? true : false;

	if (typeof navigator.cookieEnabled == "undefined" && !cookieEnabled){ 
		document.cookie="testcookie";
		cookieEnabled = (document.cookie.indexOf("testcookie") != -1) ? true : false;
	}
	return cookieEnabled;
}